Water filter



FIG. 1 is a perspective view of the water filter showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a side elevational view thereof 90 degrees of FIG. 2;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design of a water filter, as shown and described. 